Home / 869,080.92-1,303,565.49-300,446.34

Finding the Fourth Proportional to 869,080.92, 1,303,565.49 and 300,446.34

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Solution

The fourth proportional to 869,080.92, 1,303,565.49 and 300,446.34 is: 450,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,080.92 : 1,303,565.49 = 300,446.34 : x
  2. Step 2: Convert to fraction form
    869,080.92/1,303,565.49 = 300,446.34/x
  3. Step 3: Cross multiply
    869,080.92x = 1,303,565.49 × 300,446.34
  4. Step 4: Simplify right side
    869,080.92x = 391,651,480,420.81
  5. Step 5: Solve for x
    x = 391,651,480,420.81/869,080.92
  6. Step 6: Final answer
    x = 450,650.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.